import pandas as pd

data = {
    "医院名称": [
        "芒康县人民医院",
        "昌都口腔医院",
        "昌都地区口腔健康信息平台",
        "微医"
    ],
    "医院等级": [
        "一甲医院",
        "三级医院",
        "信息平台",
        "在线问诊平台"
    ],
    "在线问诊服务": [
        "未知",
        "未知",
        "提供专业医生图文问诊",
        "提供牙体牙髓科在线问诊"
    ],
    "擅长领域": [
        "口腔溃疡治疗",
        "口腔溃疡治疗",
        "复发性阿弗他溃疡",
        "口腔溃疡、扁平苔癣等"
    ]
}

df = pd.DataFrame(data)
df.to_csv('/mnt/data/changdu_hospital_comparison.csv', index=False, encoding='utf-8-sig')

df